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Family Guillaume de Dampierre II, Comte de Flandre & Marguerite, Comtesse de Flandre, Hainaut et Namur Click to view Guillaume de Dampierre II, Comte de Flandre & Marguerite, Comtesse de Flandre, Hainaut et Namur in the family tree Click to view Guillaume de Dampierre II, Comte de Flandre & Marguerite, Comtesse de Flandre, Hainaut et Namur in the family tree

‌Guillaume and Marguerite were married.  They had a son named Guy.